Marcum LLP

William Scally

William  Scally, Litigation Services, National Leader, Litigation Advisory Services
Litigation Services, National Leader
Litigation Advisory Services

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Boston, MA 02109

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William Scally is a national leader of Litigation Advisory Services in Marcum’s Boston, Massachusetts office. He has more than 17 years of management consulting experience advising clients on a broad range of business issues.

As a valuation and dispute advisory specialist, Mr. Scally provides financial, economic, and statistical services to companies, with a focus on equity and debt valuation, business enterprise valuation, business model due diligence, and contract compliance. He has significant experience applying valuation principles to assist companies pursuing strategic initiatives and to analyze economic damages pursuant to government and commercial litigation disputes. Applications include the valuation of closely held businesses, patent infringement, trade secret misappropriation, joint venture disputes, breach of contract, business and asset impairment analyses, and purchase-price disputes. His experience includes engagements across a broad array of industries, including private equity and early-stage ventures, service, software, technology, manufacturing, financial services, life sciences, and healthcare.

Mr. Scally has testified on matters involving large public companies and private regional companies, as well as majority and minority shareholders. He has been jointly retained as a valuation expert for settlement purposes. He has also been retained as an advisory expert assisting startup ventures with valuation issues related to complex mergers.

Mr. Scally formerly worked in the Forensics Advisory practice of a “Big 4” accounting firm in Boston.

Professional & Civic Affiliations
  • CFA Institute
  • Boston Security Analysts Society
  • Boston Patent Law Association
  • Boston Bar Association
  • American Bar Association
Articles and Publications
  • Litigation Services Handbook: The Role of the Financial Expert, Sixth Edition, Co-author of Patent Infringement Damages chapter, John Wiley & Sons, Inc., 2017
Subject Matter Expertise

Intellectual Property
Economic Damages
Commercial Litigation
Business Valuation
Shareholder Disputes

Practice Focus

Litigation Support


Master of Business Administration
Boston College

Bachelor of Science, Control Systems Engineering
United States Naval Academy

Accreditations & Designations

Chartered Financial Analyst (CFA) Charterholder

Curriculum Vitae


Related News

Slicing the Apple: Apportionment of Property Infringement Damages

Valuation & Litigation Advisor - May 2019

Slicing the Apple: Apportionment of Property Infringement Damages

With the rapid pace of innovation, Courts have been challenged with assessing increasingly complex infringement claims and with the chore of quantifying damages associated with ....

William Scally Joins Marcum LLP as Partner-in-Charge of Litigation Services in Boston

Press Release

William Scally Joins Marcum LLP as Partner-in-Charge of Litigation Services in Boston

William Scally, CFA, has joined Marcum LLP, a national accounting and advisory firm, as partner-in-charge of Litigation Services in the Firm's Boston office.




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